from typing import List


class Solution:
    def twoSum(self, nums: List[int], target: int) -> List[int]:
        for i in range(len(nums)):
            for j in range(i + 1, len(nums)):
                if nums[i] + nums[j] == target:
                    return [i, j]


if __name__ == "__main__":
    print(Solution().twoSum(nums=[2, 7, 11, 15], target=9))
